fSize (Function)

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External file management functions

Constants for the external files

Functions for handling directories and external files

Handling the external files

Storing files in Android

Summary table: Managing the application directories according to the platform

fCurrentDir (Example)

fCurrentDir

fCurrentDrive (Example)

fDetectRemovableStorage

fDriveReady (Example)

fExtractPath (Example)

fGraphicFilter (Example)

fGraphicFilter

fImageSelect (Example)

fImageSelect

fInsertTextAtBeginning

fIsImage

fListDirectory (Example)

fReadLineRegularExpression

fReportsAndQueriesDir

fSizeUncompressed (Example)

fSizeUncompressed

fSplit

fStopCompress (Example)

fUncompress (Example)

Managing errors

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See also

fSize (Function)

In french: fTaille

Returns the size of a file (in bytes).

Versions 15 and later

This function is now available for Android applications.

New in version 15

This function is now available for Android applications.

Versions 17 and later

This function is now available for iPhone/iPad applications.

New in version 17

This function is now available for iPhone/iPad applications.

Versions 18 and later

This function is now available in Android widget mode.

This function is now available in Windows Store apps mode.

New in version 18

This function is now available in Android widget mode.

This function is now available in Windows Store apps mode.

This function is now available in Android widget mode.

This function is now available in Windows Store apps mode.

Versions 21 and later

This function is now available in Universal Windows 10 App mode.

New in version 21

This function is now available in Universal Windows 10 App mode.

Example

// Size of a file
ResSize = fSize("C:\MyDirectories\File.doc")

Syntax

Getting the size of a file according to its path Hide the details

<Result> = fSize(<File path>)

<Result>: Integer

Size of the file (in bytes),
-1 if an error occurred. To get more details on the error, use ErrorInfo with the errMessage constant.
When handling files exceeding 2 GB, <Result> must correspond to an 8-byte integer.

<File path>: Character string

Name and full (or relative) path of file (up to 260 characters). A UNC path can be used. The wildcard characters (* and?) are not allowed.
Versions 15 and later
This parameter can be in Ansi or Unicode format.
This parameter can correspond to a full path or a path relative to the current directory (returned by fCurrentDir). This parameter is case-sensitive.
Reminder: In Android, the file system is read-only on the device and on the emulator. An application can only write to its setup directory or one of its subdirectories, as well as to the external memory (SDCard).
New in version 15
This parameter can be in Ansi or Unicode format.
This parameter can correspond to a full path or a path relative to the current directory (returned by fCurrentDir). This parameter is case-sensitive.
Reminder: In Android, the file system is read-only on the device and on the emulator. An application can only write to its setup directory or one of its subdirectories, as well as to the external memory (SDCard).
This parameter can be in Ansi or Unicode format.
This parameter can correspond to a full path or a path relative to the current directory (returned by fCurrentDir). This parameter is case-sensitive.
Reminder: In Android, the file system is read-only on the device and on the emulator. An application can only write to its setup directory or one of its subdirectories, as well as to the external memory (SDCard).
Versions 17 and later
This parameter can correspond to a full path or a path relative to the current directory (returned by fCurrentDir). This parameter is case-sensitive.
Reminder: On iPhone/iPad, the file system is read-only on the device and on the emulator. An application can only write to its setup directory or one of its subdirectories.
New in version 17
This parameter can correspond to a full path or a path relative to the current directory (returned by fCurrentDir). This parameter is case-sensitive.
Reminder: On iPhone/iPad, the file system is read-only on the device and on the emulator. An application can only write to its setup directory or one of its subdirectories.
This parameter can correspond to a full path or a path relative to the current directory (returned by fCurrentDir). This parameter is case-sensitive.
Reminder: On iPhone/iPad, the file system is read-only on the device and on the emulator. An application can only write to its setup directory or one of its subdirectories.

Versions 15 and later

Finding out the size of a file opened by the application Hide the details

<Result> = fSize(<File identifier>)

<Result>: Integer

Size of the file (in bytes),
-1 if an error occurred. To get more details on the error, use ErrorInfo with the errMessage constant.
When handling files exceeding 2 GB, <Result> must correspond to an 8-byte integer.

<File identifier>: Integer

Identifier of the file returned by one of the following functions: fOpen, fCreate, fOpenTempFile, fMemOpen.

New in version 15

Finding out the size of a file opened by the application Hide the details

<Result> = fSize(<File identifier>)

<Result>: Integer

Size of the file (in bytes),
-1 if an error occurred. To get more details on the error, use ErrorInfo with the errMessage constant.
When handling files exceeding 2 GB, <Result> must correspond to an 8-byte integer.

<File identifier>: Integer

Identifier of the file returned by one of the following functions: fOpen, fCreate, fOpenTempFile, fMemOpen.

Finding out the size of a file opened by the application Hide the details

<Result> = fSize(<File identifier>)

<Result>: Integer

Size of the file (in bytes),
-1 if an error occurred. To get more details on the error, use ErrorInfo with the errMessage constant.
When handling files exceeding 2 GB, <Result> must correspond to an 8-byte integer.

<File identifier>: Integer

Identifier of the file returned by one of the following functions: fOpen, fCreate, fOpenTempFile, fMemOpen.

Remarks

Managing errors

fSize throws an error in the following cases:

the specified file does not exist,
the name of the specified file is invalid.

Remark: fSize does not operate on the hidden files.

Component: wd270std.dll